/***
   mockcpp is a C/C++ mock framework.
   Copyright [2008] [Darwin Yuan <darwin.yuan@gmail.com>]
                    [Chen Guodong <sinojelly@gmail.com>]
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
***/
#ifndef __MOCKCPP_JMP_CODE_X64_H__
#define __MOCKCPP_JMP_CODE_X64_H__

#ifdef __aarch64__
//*(uint32_t*)originalFunc = 0x58000051;  // LDR X17, [PC, #0x14]
//*(uint32_t*)(originalFunc + 4) = 0xD61F0220;  // BR X17
//*(uint64_t*)(originalFunc + 8) = patchedFunc;
const unsigned char jmpCodeTemplate[]  =
   { 0x51, 0x00, 0x00, 0x58, 0x20, 0x02, 0x1F, 0xD6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
#define SET_JMP_CODE(base, from, to) do { \
       *(uintptr_t *)(base + 8) = (uintptr_t)to; \
   } while(0)

#else
// FF 25 : JMP /4   jmp absolute indirect
// bytes 2 ~ 5 : operand of jmp, relative to the memory that recorded the thunk addr. it should be zero.
// bytes 6 ~ 13 : the absolute addr of thunk.
const unsigned char jmpCodeTemplate[]  =
   { 0xFF, 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };

#define SET_JMP_CODE(base, from, to) do { \
       *(uintptr_t *)(base + 6) = (uintptr_t)to; \
   } while(0)

#endif

#endif

